Implementing timeout support for XHR

Source/core/loader/DocumentThreadableLoader.h

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
+ * Copyright (C) 2013, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
@@ skipping 15 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef DocumentThreadableLoader_h
 #define DocumentThreadableLoader_h
 
 #include "core/loader/FrameLoaderTypes.h"
 #include "core/loader/ThreadableLoader.h"
 #include "core/loader/cache/CachedRawResource.h"
 #include "core/loader/cache/CachedResourceHandle.h"
+#include "core/platform/Timer.h"
+#include "core/platform/network/ResourceError.h"
 #include <wtf/Forward.h>
 #include <wtf/OwnPtr.h>
 #include <wtf/PassRefPtr.h>
 #include <wtf/RefCounted.h>
 #include <wtf/RefPtr.h>
 #include <wtf/text/WTFString.h>
 
 namespace WebCore {
     class Document;
     class KURL;
@@ skipping 29 matching lines @@
         void clearResource();
 
         // CachedRawResourceClient
         virtual void dataSent(CachedResource*, unsigned long long bytesSent, unsigned long long totalBytesToBeSent);
         virtual void responseReceived(CachedResource*, const ResourceResponse&);
         virtual void dataReceived(CachedResource*, const char* data, int dataLength);
         virtual void redirectReceived(CachedResource*, ResourceRequest&, const ResourceResponse&);
         virtual void notifyFinished(CachedResource*);
         virtual void dataDownloaded(CachedResource*, int);
 
+        void cancelWithError(const ResourceError&);
         void didReceiveResponse(unsigned long identifier, const ResourceResponse&);
         void didReceiveData(unsigned long identifier, const char* data, int dataLength);
         void didFinishLoading(unsigned long identifier, double finishTime);
         void didFail(unsigned long identifier, const ResourceError&);
+        void didTimeout(Timer<DocumentThreadableLoader>*);
         void makeCrossOriginAccessRequest(const ResourceRequest&);
         void makeSimpleCrossOriginAccessRequest(const ResourceRequest& request);
         void makeCrossOriginAccessRequestWithPreflight(const ResourceRequest& request);
         void preflightSuccess();
         void preflightFailure(unsigned long identifier, const String& url, const String& errorDescription);
 
         void loadRequest(const ResourceRequest&, SecurityCheckPolicy);
         bool isAllowedRedirect(const KURL&) const;
         bool isAllowedByPolicy(const KURL&) const;
 
         SecurityOrigin* securityOrigin() const;
 
         CachedResourceHandle<CachedRawResource> m_resource;
         ThreadableLoaderClient* m_client;
         Document* m_document;
         ThreadableLoaderOptions m_options;
         bool m_sameOriginRequest;
         bool m_simpleRequest;
         bool m_async;
         OwnPtr<ResourceRequest> m_actualRequest;  // non-null during Access Control preflight checks
+        Timer<DocumentThreadableLoader> m_timeoutTimer;
     };
 
 } // namespace WebCore
 
 #endif // DocumentThreadableLoader_h